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Convection dryer CD series
conductionbatchcompact

convection dryer
convection dryer
convection dryer
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Characteristics

Technology
convection, conduction
Batch/continuous
batch
Other characteristics
compact

Description

The CD Dryer is an indirectly heated contact dryer. The solids are dried by heat conduction from a steam-heated disc to the liquid product applied to the disc. The advantage over other contact dryers lies in particular in the significantly higher heat transfer surface with simultaneous small space requirement. Compared to convective dryers, contact dryers have lower heat losses with the warm exhaust air flows. The resulting vapor is removed with a high water vapor concentration. This results in lower steam consumption than with convection dryers. HOW IT WORKS The liquid is pumped from the product tank into the circulation tank. The suspension/solution is then pumped to the individual feed pipes by means of a circulation pump. Each feed pipe feeds the liquid product onto one side of the heated rotating discs. Excess liquid runs back into the circulation tank. The solvent contained in the liquid product (e.g. water) evaporates during one turn of the disc. The dried solid adhering to the heated disc is subsequently scraped off with knives. The degree of drying of the end product can be influenced by the speed of the discs. The resulting dry product is transported out of the dryer via the product discharge. It is also possible to concentrate liquids without producing a dry product. Depending on the material properties of the product in use, the dry material created can have different forms. The exact product behavior can be analyzed with the aid of a pilot plant in Allgaier’s testcenter

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.